Year	Percent
2005-01-01	43.225
2006-01-01	44.075
2007-01-01	44.925
2008-01-01	45.450
2009-01-01	44.975
2010-01-01	44.725
2011-01-01	44.900
2012-01-01	44.750
2013-01-01	44.550
2014-01-01	44.750
2015-01-01	45.150
2016-01-01	45.825
2017-01-01	46.400